Hair trimmer



FIG. 1 is a front perspective view of the hair trimmer;

FIG. 2 is a front view of the hair trimmer;

FIG. 3 is a rear view of the hair trimmer;

FIG. 4 is a right side view of the hair trimmer;

FIG. 5 is a left side view of the hair trimmer;

FIG. 6 is a bottom view of the hair trimmer; and,

FIG. 7 is a top view of the hair trimmer.

The ornamental design that is claimed is shown in solid lines in the drawings. 

The ornamental design for a hair trimmer, as shown and described. 